0.15.0 / 2019-09-11

[FEATURE] Adding web.external-url and web.route-prefix flags (#515)
[ENHANCEMENT] Bump default timeout to 2m (#509)
[ENHANCEMENT] Use HTTP request's context, so cancellation works. (#510)
[ENHANCEMENT] Add separate history for expired failed probe results (#517)
[BUGFIX] Handle SIGTERM gracefully (#449)
[BUGFIX] Close configuration file (#467)
[BUGFIX] Use timeout for chooseProtocol (#458)
[BUGFIX] Do not apply offsets for explicit timeouts (#492)
[BUGFIX] Don't put v4 addresses in brackets (#506)
[BUGFIX] Set TLSHandshakeTimeout in HTTP transport (common#179)